Opportunity
Illinois BidBuy #27-557THA-ENGCO-B-53767
Amendment for I-490 Railroad Track Relocation and Retaining Wall Construction
Posted
August 25, 2026
Respond By
September 18, 2026
Identifier
27-557THA-ENGCO-B-53767
NAICS
237990, 238110, 238190
This amendment relates to the I-490 Railroad Track Relocation and Retaining Wall Construction project managed by the THA - Toll Highway Authority in Downers Grove, DuPage County, IL. - Buyer: THA - Toll Highway Authority - Project: I-490 Railroad Track Relocation and Retaining Wall Construction - Amendment covers: Formwork construction for Retaining Wall A - Change order value: $100,000 (original contract: $107,409,756.98) - Classification: NIGP code 91200 (general construction services) - No specific OEMs, vendors, part numbers, or purchase quantities beyond the single line item - Notable requirement: Focus on retaining wall formwork within a major infrastructure project
Description
This solicitation is an amendment/change order to an existing contract involving the I-490 Railroad Track Relocation and Retaining Wall project. The amendment includes formwork construction related to the retaining wall and a change order cost of $100,000. The original contract amount was $107,409,756.98. The contractor for this work is Lorig Construction Company.